Re certification Nitrogen Cylinders

The U.S. Army Sierra Army Depot in Herlong, CA is seeking a firm‑fixed‑price contractor to re‑certify, hydrostatically test, refill, and stamp 528 nitrogen cylinders, plus provide on‑call replacement services for failed cylinders and valves. The work will be performed under a one‑year contract (30 Oct 2026 – 29 Oct 2027) with a possible six‑month extension. All work must comply with CFR 49 Part 180, DOT 3AA, and related military specifications. The contract is set‑aside for qualified small businesses and will be awarded to the lowest‑price responsible offeror. • 528 cylinders to be inspected, tested, filled with nitrogen (AA‑59503 Type 1 Grade B) and stamped. • Optional replacement of up to 20 failed cylinders and 250 failed valves (as‑needed). • Deliveries and pickups at Sierra Army Depot, Herlong, CA; contractor must handle logistics for up to 288 cylinders per shipment and return within two weeks. • Required reporting of cylinder/valve status via SIAD Form 3161 (CDRL A001) before each pickup.